<h2>Comments</h2>
<pre><code>// This is a comment
/* This is a comment
on multiple lines */</code></pre>

<h2>Functions</h2>
<pre><code>variable_instance_set(_inst,_var_name,_start+_change);</code></pre>

<h2>Full example</h2>
<pre><code>if(instance_exists(_inst) || _inst==global){
	if(_delay<=0){
		_time+=1;
		if(_time&lt;_duration){
			event_user(0);
		}else{
			if(_inst!=global){
				variable_instance_set(_inst,_var_name,_start+_change);
			}else{
				variable_global_set(_var_name,_start+_change);
			}
			instance_destroy();
		}
	}else{
		_delay-=1;
	}
}else{
	instance_destroy();
}
</code></pre>
